Retractable downdraft



FIG. 1 is a perspective view of a retractable downdraft showing my newornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is another perspective view.

The broken lines represent environment or structure and do not form anypart of the claimed design.

CLAIM The ornamental design for a retractable downdraft, as shown anddescribed.